Fixes selected state of buttons
Fixes selected state of buttons

xhacker/DZNSegmentedControl,hjanuschka/DZNSegmentedControl,CQXfly/DZNSegmentedControl,smallmuou/DZNSegmentedControl,perrystreetsoftware/DZNSegmentedControl,hoanganh6491/DZNSegmentedControl,jonesgithub/DZNSegmentedControl,gtranchedone/DZNSegmentedControl,xhacker/DZNSegmentedControl,hjanuschka/DZNSegmentedControl,xhacker/DZNSegmentedControl,smallmuou/DZNSegmentedControl,bellchen/DZNSegmentedControl,CQXfly/DZNSegmentedControl,gtranchedone/DZNSegmentedControl,jonesgithub/DZNSegmentedControl,smallmuou/DZNSegmentedControl,dzenbot/DZNSegmentedControl,sprylogics/DZNSegmentedControl,gtranchedone/DZNSegmentedControl,hjanuschka/DZNSegmentedControl,jonesgithub/DZNSegmentedControl,CQXfly/DZNSegmentedControl,hoanganh6491/DZNSegmentedControl,hoanganh6491/DZNSegmentedControl